Only the briefest of introductions - you'll have to do more research elsewhere.
"==Keep it Clean==
Clean Breaks by Richard Hammond and Jeremy Smith is a guide to 500 things you could do around the world without a high environmental impact. The green aspirations of the book make it pretty clear that it's not going to be the Richard Hammond of Top Gear fame that wrote it – I can't somehow see him and his co-presenters offsetting their carbon when they head off to burn up the road in the latest super car. This is the kind of book ..."
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